Managed XDR

espi-bernabeu.docx — malware analysis report

File info

Filename
espi-bernabeu.docx
File type
Microsoft Word 2007+
File size
313 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
ba2102f113ab41f2a4343e686f16a9def4d4e24e
SHA256
902bdb9979ac9d981a51c5c9482e8cb57df98cdbda50b91b527455aefc1cf79c
MD5
3425b5a4e5c60630b3afff2a35740ed8

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Privilege Escalation

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1552 cookie_files: Accesses cookie files

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1083 checks_recent_files: Attempt to check recently opened files through registry

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
multiple_useragents: Uses more than one unique User-Agent
suspicious_process_network: Unusual process network activity detected
creates_doc: Creates (office) documents in the file system
suspicious_process: Spawns a suspicious process
unexpected_exception: Unexpected exception
creates_suspended_process: Creates suspended process
test_check_service: Starts services
writes_data: Writes big amount of data to disk
suricata_alert: Malicious traffic detected